1965675073 has 2 divisors, whose sum is σ = 1965675074. Its totient is φ = 1965675072.

The previous prime is 1965675053. The next prime is 1965675083. The reversal of 1965675073 is 3705765691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1688552464 + 277122609 = 41092^2 + 16647^2 .

It is a cyclic number.

It is not a de Polignac number, because 1965675073 - 2¹³ = 1965666881 is a prime.

It is a super-2 number, since 2×1965675073² = 7727756985227110658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1965675053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982837536 + 982837537.

It is an arithmetic number, because the mean of its divisors is an integer number (982837537).

Almost surely, 2^1965675073 is an apocalyptic number.

It is an amenable number.

1965675073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1965675073 is an equidigital number, since it uses as much as digits as its factorization.

1965675073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 1965675073 is about 44335.9343309690. The cubic root of 1965675073 is about 1252.6716347329.

The spelling of 1965675073 in words is "one billion, nine hundred sixty-five million, six hundred seventy-five thousand, seventy-three".